{ "snapshot_id": "approved-static-48d32b636f07abc8", "page_version": "fc23f09d1d0b19c1031c0e0673a732a1", "content_date": "2026-10-16", "schema_version": "immigrationdb-report-dataset-v1", "generated_at": "2026-10-25", "citation": { "@type": "CreativeWork", "@id": "https://immigrationdb.com/reports/finland-cities-with-cleanest-air/#citation", "schema_version": "immigrationdb-citation-v1", "citation_type": "ImmigrationDB compilation", "canonical_url": "https://immigrationdb.com/reports/finland-cities-with-cleanest-air/", "title": "Cities with cleanest air in Finland", "author": { "name": "ImmigrationDB", "url": "https://immigrationdb.com/" }, "publisher": { "name": "ImmigrationDB", "url": "https://immigrationdb.com/" }, "snapshot_id": "approved-static-48d32b636f07abc8", "version": "fc23f09d1d0b19c1031c0e0673a732a1", "retrieval_date": "2026-10-16", "build_date": "2026-10-16", "compilation_license": { "name": "CC BY 4.0", "url": "https://creativecommons.org/licenses/by/4.0/", "terms_url": "https://immigrationdb.com/about/copyright/" }, "formats": { "apa": "ImmigrationDB. (2026, October 16). Cities with cleanest air in Finland [ImmigrationDB compilation; version fc23f09d1d0b19c1031c0e0673a732a1]. ImmigrationDB. https://immigrationdb.com/reports/finland-cities-with-cleanest-air/ Retrieved 2026-10-16. Compilation license: CC BY 4.0, https://creativecommons.org/licenses/by/4.0/", "bibtex": "@misc{immigrationdb_immigrationdb_cities-with-cleanest-air-in-finland_17cf998cd098,\n author = {ImmigrationDB},\n title = {Cities with cleanest air in Finland},\n publisher = {ImmigrationDB},\n year = {2026},\n date = {2026-10-16},\n version = {fc23f09d1d0b19c1031c0e0673a732a1},\n url = {https://immigrationdb.com/reports/finland-cities-with-cleanest-air/},\n note = {Retrieved 2026-10-16. ImmigrationDB compilation. Compilation license: CC BY 4.0, https://creativecommons.org/licenses/by/4.0/},\n}", "markdown": "[Cities with cleanest air in Finland](https://immigrationdb.com/reports/finland-cities-with-cleanest-air/) — ImmigrationDB; ImmigrationDB; version fc23f09d1d0b19c1031c0e0673a732a1; retrieved 2026-10-16; built 2026-10-16." }, "boundary_note": "This citation identifies the ImmigrationDB compilation/page. Underlying source publishers and datasets retain their own terms; inspect the Sources section and cite those records separately." }, "underlying_source_references": [ { "source_id": "source-783d5e8f6b69", "source_url": "https://cdn.who.int/media/docs/default-source/air-pollution-documents/air-quality-and-health/who_ambient_air_quality_database_version_2024_%28v6.1%29.xlsx?download=true&sfvrsn=c504c0cd_3", "source_title": "cdn.who.int", "publisher": "cdn.who.int", "source_quality": "verified", "last_checked": "2026-08-26" }, { "source_id": "source-2cd65fb9c148", "source_url": "https://air.discomap.eea.europa.eu/arcgis/rest/services/AirQuality/AQ_Statistics_WM/MapServer/0/query", "source_title": "European Environment Agency", "publisher": "European Environment Agency", "source_quality": "verified", "last_checked": "2026-08-03" }, { "source_id": "source-b212946eb462", "source_url": "https://assets.ctfassets.net/hli0qi7fbbos/4UTF0gMvBjHhuxDFAvhPs/d32447b13a69fbcf3baddb3cf4334ee4/PM25_tilasto_2023.pdf", "source_title": "FMI PM2.5 annual station statistics 2023", "publisher": "Finnish Meteorological Institute (FMI)", "source_quality": "verified", "last_checked": "2026-09-23" }, { "source_id": "source-6438349938e7", "source_url": "https://www.eea.europa.eu/en/topics/in-depth/air-pollution/european-city-air-quality-viewer/city-trend-viewer", "source_title": "EEA City Trend — annual PM2.5 mean within city administrative boundaries", "publisher": "European Environment Agency", "source_quality": "verified", "last_checked": "2026-07-27" }, { "source_id": "source-f37fb3b5e38c", "source_url": "https://assets.ctfassets.net/hli0qi7fbbos/7krWbmxQDQQLKoAnIeJGOi/f99ec8e8846470c771016e7ae58b6c92/PM25_tilasto_2024.pdf", "source_title": "FMI PM2.5 annual station statistics 2024", "publisher": "Finnish Meteorological Institute (FMI)", "source_quality": "verified", "last_checked": "2026-09-23" }, { "source_id": "source-e6424f21dc7d", "source_url": "https://air.discomap.eea.europa.eu/arcgis/rest/services/AirQuality/AQ_Statistics_WM/MapServer/0/query?where=AirPollutant%3D%27PM2.5%27+AND+YearOfStatistics%3D2024&outFields=AirPollutant%2CAirPollutionLevel%2CCountry_ISO%2CStationName%2CAreaOfMeasurementStation%2CYearOfStatistics%2CUnitOfAirpollutionLevel%2CTypeOfMeasurementStation%2CDataCoverage%2CReportingMetric%2CLatitudeOfMeasurementStation%2CLongitudeOfMeasurementStation&returnGeometry=false&resultRecordCount=1000&resultOffset=0&f=json", "source_title": "EEA Air Quality Annual Statistics — validated PM2.5 station data", "publisher": "European Environment Agency", "source_quality": "verified", "last_checked": "2026-07-26" } ], "report": { "schema_version": "immigrationdb-generated-report-v1", "canonical_slug": "finland-cities-with-cleanest-air", "canonical_path": "/reports/finland-cities-with-cleanest-air/", "title": "Cities with cleanest air in Finland", "question": "Cities with cleanest air in Finland", "short_answer": "Raahe, Finland has the lowest pm2.5 — annual mean of the 30 cities compared: 2.98 µg/m³ (cdn.who.int, 2017-12-31).", "summary": "Finland cities ranked by annual PM2.5 concentration, not by current readings.", "report_type": "data_driven_report", "scope": "city", "status": "accepted", "indexability": "indexable", "population_floor": 20000, "excluded_counts": { "population_floor": 25 }, "not_advice_disclaimer": "This ranking is a source-backed reference. Read the source, geographic grain and observation date before comparing rows.", "methodology_id": "methodology-finland-cities-with-cleanest-air-v1", "methodology": { "summary": "Every row is a published pm2.5 — annual mean observation, ranked lowest first. The values were observed between 2017 and 2024. A place appears only when it publishes this exact metric, so an absent place means missing data rather than a low value. 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